CN108075493B - Distributed energy system based on block chain technology - Google Patents
Distributed energy system based on block chain technology Download PDFInfo
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- CN108075493B CN108075493B CN201711463442.XA CN201711463442A CN108075493B CN 108075493 B CN108075493 B CN 108075493B CN 201711463442 A CN201711463442 A CN 201711463442A CN 108075493 B CN108075493 B CN 108075493B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/008—Circuit arrangements for ac mains or ac distribution networks involving trading of energy or energy transmission rights
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/003—Load forecast, e.g. methods or systems for forecasting future load demand
Abstract
The invention relates to a distributed energy system based on a block chain technology, which comprises a distributed energy power generation module, an energy analysis and regulation module and an intelligent management module; the functions of the modules are clear, the characteristics of intermittency, volatility and the like of the distributed electric energy are utilized, the coordinated optimization and intelligent control of the distributed energy are realized, and the safe and stable operation of the power grid is guaranteed.
Description
Technical Field
The invention relates to a distributed energy system, in particular to a distributed energy system based on a block chain technology.
Background
The distributed energy is an energy supply mode built at a user end, can be operated independently or in a grid-connected mode, is a system for determining the mode and the capacity in a resource and environmental benefit maximization mode, carries out system integration and optimization on multiple energy requirements of a user and resource allocation conditions, adopts a novel energy system with demand response type design and modularized allocation, and is a distributed energy supply mode relative to centralized energy supply.
The block chain technology is used as a decentralized (open, flat and flat, and has no mandatory system structure for central control) database technology, and has the characteristics of decentralization, credibility and traceability, non-falsification, natural coincidence of intelligent management characteristics and attributes of distributed energy sources, and promotion of transaction and efficient operation in various aspects by taking guarantee trust as a core in renovating the traditional Internet pattern and mode; similarly, in the distributed energy era, the blockchain technology will promote the cooperation of multi-form energy sources and all participating agents, promote the fusion of information and physical systems, and realize diversification and low cost of transactions.
Disclosure of Invention
In view of the above, the present invention provides a solution or a partial solution to the above problems for a distributed energy system based on a block chain technology.
In order to achieve the effect of the technical scheme, the technical scheme of the invention is as follows: a distributed energy system based on a block chain technology comprises a distributed energy power generation module, an energy analysis and regulation module and an intelligent management module.
The distributed energy power generation module comprises N distributed energy power generation nodes, wherein N is a positive integer; the distributed energy power generation nodes are equal in status and are communicated and interacted with each other in a flat topological structure; the method adopts an asymmetric encryption algorithm to realize a public and private key protection mechanism, and can be used for verifying node information, digital signatures and login authentication; the distributed energy resource power generation node comprises a distributed power generation unit, a distributed energy storage device and an energy load unit; the frequency, the voltage and the current of the distributed power generation unit, the frequency, the voltage and the current of the energy load unit and the active power and the reactive power of the distributed energy storage device are packaged and stored on the data block, a digital fingerprint of the package information is generated through Hash calculation (SHA-256) and is used as remark information, a timestamp of transaction is added, and after signature is carried out by using a private key, public key addresses are packaged together; the data blocks are arranged and linked together in a time sequence relationship in a front-back mode to form a chain, the data blocks arranged behind the chain can trace back to the data blocks arranged in the front, and the time sequence relationship is the sequential relationship of the time generated by the data blocks.
The energy analysis regulation and control module is used for decrypting by using the public key address to obtain the digital fingerprint of the package information; reading the frequency, the voltage and the current of the distributed power generation unit, the frequency, the voltage and the current of the energy load unit and the active power and the reactive power of the distributed energy storage device, and predicting the total power generation amount and the total load amount on the distributed energy block chain by adopting a neural network method; and judging whether the energy balance is achieved on the distributed energy block chain or not according to the generated energy predicted value and the load predicted value.
When energy balance is achieved on the distributed energy block chain, a frequency voltage regulation control instruction is sent to the intelligent management module; and when the energy balance on the distributed energy source block chain is not reached, judging whether the distributed energy source block chain is in an electric quantity surplus state or an electric quantity shortage state.
When the distributed energy source block chain is in an electric quantity shortage state, firstly, a control signal is sent to the distributed energy storage device, the distributed energy storage device is started to supply electric energy to the distributed energy source block chain, and if the distributed energy storage device supplies electric energy and the distributed energy source block chain is still in the electric quantity shortage state after the work of supplying electric energy is finished, the control signal is sent to a power grid, so that the power grid supplies electric energy to the distributed energy source block chain.
When the distributed energy source area block chain is in an electric quantity surplus state, firstly, a control signal is sent to the distributed power generation unit to enable the distributed power generation unit to supply power to a power grid, and if the power grid does not need electric energy supply or the work of supplying electric energy to the power grid is finished, residual electric energy still exists on the distributed energy source area block chain, and the distributed energy storage device is enabled to respond to whether the distributed energy storage device needs to be charged or not; and if the distributed energy storage device needs to be charged, starting the distributed energy storage device to charge the distributed energy storage device.
The intelligent management module is used for decrypting by using the public key address to obtain the digital fingerprint of the package information; reading node frequency, voltage, active power and reactive power of each distributed power generation unit and each energy load unit in the distributed energy power generation module; and receiving a frequency and voltage regulation control instruction, and regulating the node frequency and the voltage of the distributed power generation unit and the energy load unit in the distributed energy power generation module connected with the intelligent management module to ensure that the node frequency is consistent with the power frequency of the power grid and the voltage is consistent with the rated voltage of the power grid.
The beneficial results of the invention are as follows: the invention provides a distributed energy system based on a block chain technology, which realizes coordinated optimization and intelligent control of distributed energy by utilizing the characteristics of intermittency, volatility and the like of a distributed electric energy source, and ensures that a power grid can operate safely and stably.
Detailed Description
In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is described in detail below with reference to the following embodiments; it should be noted that the specific embodiments described herein are only for explaining the present invention, and are not used to limit the present invention, and the products capable of realizing the same functions are included in the scope of the present invention; the specific method comprises the following steps:
example 1: a distributed energy system based on a block chain technology comprises a distributed energy power generation module, an energy analysis and regulation module and an intelligent management module.
The distributed energy power generation module comprises N distributed energy power generation nodes, wherein N is a positive integer; the distributed energy power generation nodes are equal in status and are communicated and interacted with each other in a flat topological structure; the method adopts an asymmetric encryption algorithm to realize a public and private key protection mechanism, and can be used for verifying node information, digital signatures and login authentication; the distributed energy resource power generation node comprises a distributed power generation unit, a distributed energy storage device and an energy load unit; the frequency, the voltage and the current of the distributed power generation unit, the frequency, the voltage and the current of the energy load unit and the active power and the reactive power of the distributed energy storage device are packaged and stored on the data block, a digital fingerprint of the package information is generated through Hash calculation (SHA-256) and is used as remark information, a timestamp of transaction is added, and after signature is carried out by using a private key, public key addresses are packaged together; the data blocks are arranged and linked together in a time sequence relationship in a front-back mode to form a chain, the data blocks arranged behind the chain can trace back to the data blocks arranged in the front, and the time sequence relationship is the sequential relationship of the time generated by the data blocks.
The energy analysis regulation and control module is used for decrypting by using the public key address to obtain the digital fingerprint of the package information; reading the frequency, the voltage and the current of the distributed power generation unit, the frequency, the voltage and the current of the energy load unit and the active power and the reactive power of the distributed energy storage device, and predicting the total power generation amount and the total load amount on the distributed energy block chain by adopting a neural network method; and judging whether the energy balance is achieved on the distributed energy block chain or not according to the generated energy predicted value and the load predicted value.
When energy balance is achieved on the distributed energy block chain, a frequency voltage regulation control instruction is sent to the intelligent management module; and when the energy balance on the distributed energy source block chain is not reached, judging whether the distributed energy source block chain is in an electric quantity surplus state or an electric quantity shortage state.
When the distributed energy source block chain is in an electric quantity shortage state, firstly, a control signal is sent to the distributed energy storage device, the distributed energy storage device is started to supply electric energy to the distributed energy source block chain, and if the distributed energy storage device supplies electric energy and the distributed energy source block chain is still in the electric quantity shortage state after the work of supplying electric energy is finished, the control signal is sent to a power grid, so that the power grid supplies electric energy to the distributed energy source block chain.
When the distributed energy source area block chain is in an electric quantity surplus state, firstly, a control signal is sent to the distributed power generation unit to enable the distributed power generation unit to supply power to a power grid, and if the power grid does not need electric energy supply or the work of supplying electric energy to the power grid is finished, residual electric energy still exists on the distributed energy source area block chain, and the distributed energy storage device is enabled to respond to whether the distributed energy storage device needs to be charged or not; and if the distributed energy storage device needs to be charged, starting the distributed energy storage device to charge the distributed energy storage device.
The intelligent management module is used for decrypting by using the public key address to obtain the digital fingerprint of the package information; reading node frequency, voltage, active power and reactive power of each distributed power generation unit and each energy load unit in the distributed energy power generation module; and receiving a frequency and voltage regulation control instruction, and regulating the node frequency and the voltage of the distributed power generation unit and the energy load unit in the distributed energy power generation module connected with the intelligent management module to ensure that the node frequency is consistent with the power frequency of the power grid and the voltage is consistent with the rated voltage of the power grid.
The beneficial results of the invention are as follows: the invention provides a distributed energy system based on a block chain technology, which realizes coordinated optimization and intelligent control of distributed energy by utilizing the characteristics of intermittency, volatility and the like of a distributed electric energy source, and ensures that a power grid can operate safely and stably.
Claims (1)
1. A distributed energy system based on a block chain technology is characterized by comprising a distributed energy power generation module, an energy analysis and regulation module and an intelligent management module;
the distributed energy power generation module comprises N distributed energy power generation nodes, wherein N is a positive integer; the distributed energy power generation nodes are equal in status and are communicated and interacted with each other in a flat topological structure; the method adopts an asymmetric encryption algorithm to realize a public and private key protection mechanism, and can be used for verifying node information, digital signatures and login authentication; the distributed energy resource power generation node comprises a distributed power generation unit, a distributed energy storage device and an energy load unit; the frequency, the voltage and the current of the distributed power generation unit, the frequency, the voltage and the current of the energy load unit, and the active power and the reactive power of the distributed energy storage device are packaged and stored on a data block, a digital fingerprint of package information is generated through Hash calculation (SHA-256) and is used as remark information, a timestamp of transaction is added, and after signature is carried out by using a private key, public key addresses are packaged together; the data blocks are arranged and linked together in a time sequence relationship in a front-back manner to form a chain, the data blocks arranged in the chain in the back can trace back to the data blocks arranged in the front, and the time sequence relationship is the sequential relationship of the time generated by the data blocks;
the energy analysis regulation and control module decrypts by using a public key address to obtain the digital fingerprint of the package information; reading the frequency, the voltage and the current of the distributed power generation unit, the frequency, the voltage and the current of the energy load unit and the active power and the reactive power of the distributed energy storage device, and predicting the total power generation amount and the total load amount on a distributed energy block chain by adopting a neural network method; judging whether energy balance is achieved on a distributed energy block chain or not according to the generated energy predicted value and the load predicted value;
when energy balance is achieved on the distributed energy block chain, a frequency voltage regulation control instruction is sent to the intelligent management module; when the energy balance on the distributed energy source block chain is not reached, judging whether the distributed energy source block chain is in an electric quantity surplus state or an electric quantity shortage state;
when the distributed energy source block chain is in an electric quantity shortage state, firstly, a control signal is sent to the distributed energy storage device, the distributed energy storage device is started to supply electric energy to the distributed energy source block chain, and if the distributed energy storage device supplies electric energy and the distributed energy source block chain is still in the electric quantity shortage state after the electric energy supply work is finished, the control signal is sent to a power grid, so that the power grid supplies electric energy to the distributed energy source block chain;
when the distributed energy source area block chain is in an electric quantity surplus state, firstly, a control signal is sent to the distributed power generation unit to enable the distributed power generation unit to supply power to a power grid, and if the power grid does not need electric energy supply or the work of supplying electric energy to the power grid is finished, residual electric energy still exists on the distributed energy source area block chain, and the distributed energy storage device is enabled to respond to whether the distributed energy storage device needs to be charged or not; if the distributed energy storage device needs to be charged, starting the distributed energy storage device to charge the distributed energy storage device;
the intelligent management module decrypts by using a public key address to obtain the digital fingerprint of the package information; reading node frequency, voltage, active power and reactive power of each distributed power generation unit and each energy load unit in the distributed energy power generation module; and receiving the frequency and voltage regulation control instruction, and regulating the node frequency and the voltage of the distributed power generation unit and the energy load unit in the distributed energy power generation module connected with the intelligent management module to ensure that the node frequency is consistent with the power frequency of the power grid and the voltage is consistent with the rated voltage of the power grid.
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| CN109033143B (en) * | 2018-06-11 | 2021-06-29 | 中国科学院广州能源研究所 | Distributed and regional power grid data processing system and method based on block chain |
| CN108920558B (en) * | 2018-06-20 | 2020-05-29 | 厦门快商通信息技术有限公司 | Distributed energy transaction and supply management system and method based on block chain |
| CN109066691B (en) * | 2018-09-13 | 2020-10-02 | 珠海格力电器股份有限公司 | Energy scheduling method, energy control device and energy system |
| CN109524962A (en) * | 2018-11-23 | 2019-03-26 | 贵州电网有限责任公司 | A kind of energy internet microgrid energy dispatching method based on block chain technology |
| CN109995610A (en) * | 2019-03-06 | 2019-07-09 | 浙江天脉领域科技有限公司 | A kind of peer-to-peer network underlying communications systems for simulating biological neural form |
| CN114519592B (en) * | 2022-04-20 | 2022-07-29 | 国电南瑞科技股份有限公司 | Block chain-based trust acquisition method for aggregator and flexible resource owner |
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| CN107301501B (en) * | 2017-06-07 | 2021-03-09 | 北京汇通金财信息科技有限公司 | Distributed power generation quality evaluation method and device based on block chain technology |
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